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Unformatted text preview: pressure in the xylem that can pull water to a treetop? Lecture 5 1. Explain why flooding often causes plants to wilt. 2. How can you calculate the water vapor concentration of the inner leaf air space? Explain why temperature can affect the water vapor concentration gradient between the leaf air space and the atmosphere. 3. Describe two major factors that determine the rate of water transpiration. Explain how K + and Cl-movement across the plasma membrane regulate the opening and closing of the stomata pore. 4. What are the three criteria to define an "essential element"? 5. Describe four common symptoms of mineral deficiency. 6. What is the most obvious deficiency symptom for Mg 2+ ? Why does such a symptom occur first on older leaves? 7. In addition to fertilizers, what else can be used to treat mineral deficiency? Why? 8. Describe the relationship between plant growth and the nutrient concentration....
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This note was uploaded on 11/30/2011 for the course BIOLOGY 321 taught by Professor Min during the Winter '11 term at University of Michigan.
- Winter '11